| Domain Name | Status | Actions |
|---|---|---|
| 1und1.com | Taken | — |
| 1und1.net | Taken | — |
| 1und1.org | Taken | — |
| 1und1.info | Taken | — |
| 1und1.biz | Taken Premium Name | — |
| 1und1.cc | Taken | — |
| 1und1.club | Taken Premium Name | — |
| 1und1.co | Taken Premium Name | — |
| 1und1.eu | Taken | — |
| 1und1.name | Taken | — |
| 1und1.tv | Taken | — |
| 1und1.uk | Available | |
| 1und1.co.uk | Taken | — |
| 1und1.me.uk | Taken | — |
| 1und1.org.uk | Taken | — |
| 1und1.us | Taken | — |
| 1und1.ws | Available |